000 00447nam a2200157Ia 4500
001 126895
008 170722s9999 xx 000 0 und d
020 _a0683062069
100 _aKnapp, Rebeccag
245 _aClinical epidemiology and biostatistics. /
260 _aBaltimore, :
_bWilliams &Wilkins ,
_c1992.
300 _cPpiX+43525Cms
490 _aNational medical series for independent study
700 _aMillerm Cinton
942 _cGEN
999 _c119855
_d119855